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Aleksandar Vidakovic
Cisco Employee
Cisco Employee

When along with the IOS XR upgrade you also want to upgrade the RP/RSP, you may decide to go for a pre-baked RP/RSP approach. You take the new RSP into the lab, install the desired IOS XR packages, take the RSP to a production site, power off the chassis, swap out the RSPs and power-on. This is a perfectly valid method. The purpose of this article is to highlight one consequence of this approach which at first sight may appear as unexpected: longer line card boot-up time on the first boot with the new RSPs.

Before the line cards in IOS XR platforms boots the IOS XR, the system makes a quick check to verify whether the IOS XR installation on the line card matches the one on the RSP. If they match, the line card will boot fast. If not, the line card has to download the new IOS XR installation from the RSP before it can boot. Therefore, the first boot upon RSP swap will be slow, but  the subsequent boots will be fast.

The syslog message sequence below includes a sample message that notifies the operator of the mismatch and the need to re-sync the IOS XR installation with the RSP. The overall line card boot time in this case was ~14 minutes.

 

0/RSP0/ADMIN0:Feb 25 13:22:54.427 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_OK, event_reason_str 'HW Event OK' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:22:54.427 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-CARD_HW_OPERATIONAL : Card: 0/6 hardware state going to Operational
0/RSP0/ADMIN0:Feb 25 13:26:41.505 UTC: canbus_driver[3780]: %PLATFORM-CANB_SERVER-7-CBC_PRE_RESET_NOTIFICATION : Node 0/6 CBC-0, reset reason CPU_RESET_POR (0x05000000)
0/RSP0/ADMIN0:Feb 25 13:26:41.507 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_RESET, event_reason_str 'HW Event RESET' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:26:44.175 UTC: canbus_driver[3780]: %PLATFORM-CANB_SERVER-7-CBC_POST_RESET_NOTIFICATION : Node 0/6 CBC-0, reset reason CPU_RESET_POR (0x05000000)
0/RSP0/ADMIN0:Feb 25 13:26:49.504 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_POWERED_OFF, event_reason_str 'HW Event Powered OFF' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:26:54.507 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_POWERED_ON, event_reason_str 'HW Event Powered ON' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:28:24.540 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_OK, event_reason_str 'HW Event OK' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:28:24.540 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-CARD_HW_OPERATIONAL : Card: 0/6 hardware state going to Operational
0/RSP0/ADMIN0:Feb 25 13:29:43.302 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-CARD_SW_OPERATIONAL : Card: 0/6 software state going to Operational
0/6/ADMIN0:Feb 25 13:29:42.228 UTC: aaad[3862]: %MGBL-AAAD-7-DEBUG : Disaster-recovery account not configured. Using first user as disaster-recovery account
0/6/ADMIN0:Feb 25 13:30:04.769 UTC: inst_agent[3876]: %INFRA-INSTAGENT-2-SELF_TEST_FAILED : This node has failed verification of its installed software base. A new disk will be prepared.
0/RSP0/ADMIN0:Feb 25 13:30:03.623 UTC: inst_mgr[4667]: %INFRA-INSTMGR-5-SW_RESYNC : Node location 0/6 will resynchronize its software with the rest of the system.
0/6/ADMIN0:Feb 25 13:31:29.589 UTC: aaad[3862]: %MGBL-AAAD-7-DEBUG : AAA subscription number of users 1
0/RSP0/ADMIN0:Feb 25 13:42:18.361 UTC: inst_mgr[4667]: %INFRA-INSTMGR-5-SW_RESYNC_END : Node location 0/6 finished its software synchronization. It will now reboot the new software.
0/6/ADMIN0:Feb 25 13:42:19.843 UTC: cm[3867]: %ROUTING-TOPO-5-PROCESS_UPDATE : Got process update: Card shutdown.
0/RSP0/ADMIN0:Feb 25 13:42:24.348 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-4-CARD_RELOAD : Reloading card 0/6
0/RSP0/ADMIN0:Feb 25 13:43:01.708 UTC: canbus_driver[3780]: %PLATFORM-CANB_SERVER-7-CBC_PRE_RESET_NOTIFICATION : Node 0/6 CBC-0, reset reason CPU_RESET_PWROFF (0x0a000000)
0/RSP0/ADMIN0:Feb 25 13:43:01.709 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_RESET, event_reason_str 'HW Event RESET' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:43:02.747 UTC: canbus_driver[3780]: %PLATFORM-CANB_SERVER-7-CBC_PRE_RESET_NOTIFICATION : Node 0/6 CBC-0, reset reason CPU_RESET_POR (0x05000000)
0/RSP0/ADMIN0:Feb 25 13:43:05.424 UTC: canbus_driver[3780]: %PLATFORM-CANB_SERVER-7-CBC_POST_RESET_NOTIFICATION : Node 0/6 CBC-0, reset reason CPU_RESET_POR (0x05000000)
0/RSP0/ADMIN0:Feb 25 13:43:09.859 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_POWERED_OFF, event_reason_str 'HW Event Powered OFF' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:43:14.861 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_POWERED_ON, event_reason_str 'HW Event Powered ON' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:44:44.900 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_OK, event_reason_str 'HW Event OK' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:44:44.900 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-CARD_HW_OPERATIONAL : Card: 0/6 hardware state going to Operational
0/RSP0/ADMIN0:Feb 25 13:44:44.900 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_OK, event_reason_str 'HW Event OK' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:44:44.900 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-CARD_HW_OPERATIONAL : Card: 0/6 hardware state going to Operational
0/6 A9K-MOD400-TR SW_INACTIVE NSHUT
0/RSP0/ADMIN0:Feb 25 13:44:44.900 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-HW_EVENT : Rcvd HW event HW_EVENT_OK, event_reason_str 'HW Event OK' for card 0/6
0/RSP0/ADMIN0:Feb 25 13:44:44.900 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-CARD_HW_OPERATIONAL : Card: 0/6 hardware state going to Operational
0/RSP0/ADMIN0:Feb 25 13:46:15.483 UTC: shelf_mgr[3811]: %INFRA-SHELF_MGR-6-CARD_SW_OPERATIONAL : Card: 0/6 software state going to Operational

 

 

 

 

 

 

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